240 patents
Page 5 of 12
Utility
Catalyst Ink Compositions and Methods for Forming Hydrogen Pumping Proton Exchange Membrane Electrochemical Cell
17 Nov 22
A membrane electrode assembly (MEA) includes an ionically-conductive proton exchange membrane, an anode contacting a first side of the membrane and a cathode contacting a second side of the membrane and including third catalyst particles and a cathode GDL.
Srikanth RANGANATHAN, Vijay RADHAKRISHNAN, Vaibhav NIRGUDE
Filed: 15 May 22
Utility
Battery analysis via electrochemical impedance spectroscopy apparatus (EISA) measurements
15 Nov 22
Electrochemical impedance spectroscopy (EIS) may be used to measure the internal components of a battery or interfaces between connections inside a battery in order to determine a state of one or more subcomponents of the battery.
Arne Ballantine, John Cronin, Joseph Bodkin
Filed: 25 Mar 19
Utility
Solid Oxide Electrolyzer Systems Containing Hydrogen Pump and Method of Operating Thereof
3 Nov 22
A method of operating a solid oxide electrolyzer system includes providing a water inlet stream to at least one solid oxide electrolyzer cell (SOEC), generating a wet hydrogen product stream from the at least one SOEC, providing the wet hydrogen product stream to at least one hydrogen pump, generating a compressed hydrogen product and an unpumped effluent in the at least one hydrogen pump, and recycling at least a portion of the unpumped effluent upstream of the at least one hydrogen pump.
David WEINGAERTNER, Martin PERRY, Michael GASDA
Filed: 2 May 22
Utility
Microgrid with Automatic Load Sharing Control During Off-grid Standalone Operation
3 Nov 22
Various embodiments include methods and systems for managing electric power demand distribution across electric power generators in a microgrid.
Prasad PMSVVSV, Beau BAKER, Vignan Reddy BOMMIREDDY
Filed: 22 Apr 22
Utility
Method of Fabricating an Interconnect for a Fuel Cell Stack
27 Oct 22
Methods for fabricating an interconnect for a fuel cell stack that include providing a protective layer over at least one surface of an interconnect formed by powder pressing pre-alloyed particles containing two or more metal elements and annealing the interconnect and the protective layer at elevated temperature to bond the protective layer to the at least one surface of the interconnect.
Tad Armstrong
Filed: 8 Jul 22
Utility
Centrifugal Blower with Integrated Motor and Blower Volute Which Functions As a Heat Sink for the Motor
20 Oct 22
A centrifugal blower includes a motor located in a motor housing, an impeller, and a volute.
Shuo LI
Filed: 15 Apr 22
Utility
Glass Ceramic Seal Material for Fuel Cell Stacks
20 Oct 22
A glass ceramic seal is formed from a precursor material that includes from 80 mol % to 100 mol % of a primary component containing, on an oxide basis, from 25 mol % to 55 mol % SiO2, from 20 mol % to 45 mol % CaO, from 5 mol % to 30 mol % MgO, and from 0 mol % to 15 mol % Al2O3.
Emad EL BATAWI, Jonathan SCHOLL, Michael D. GASDA
Filed: 11 Feb 22
Utility
Solid Oxide Fuel Cell System with Hydrogen Pumping Cell with Carbon Monoxide Tolerant Anodes and Integrated Shift Reactor
20 Oct 22
A fuel cell system includes at least one of plural electrochemical pump separators to separate carbon dioxide from a fuel exhaust stream or a combination of a gas separator and a fuel exhaust cooler located outside a hotbox.
David WEINGAERTNER, Matthias GOTTMANN, Jayakumar KRISHNADASS, Chockkalingam KARUPPAIAH, Arne BALLANTINE, Swaminathan VENKATARAMAN, Martin PERRY, John FISHER, Greg YOUNG
Filed: 2 May 22
Utility
Solid Oxide Fuel Cell System and Method of Operating the Same Using Peak Shaving Gas
13 Oct 22
A fuel cell system and method for using a peak shaving gas, the system including: a fuel inlet configured to receive fuel from a fuel source; a catalytic partial oxidation (CPOx) reactor configured to at least partially oxidize the fuel during startup of the system; a blower configured to provide air to the CPOx reactor; a gas analyzer configured to determine a composition of fuel provided to the CPOx reactor from the fuel inlet; an oxidation catalyst configured to reduce an O2 content of fuel received from the CPOx reactor; a reforming catalyst configured to partially reform fuel received from the oxidation catalyst; and a stack of fuel cells configured to generate electricity using fuel received from the reforming catalyst.
John Fisher, Jayakumar Krishnadass, David Weingaertner, Laxmikant Girwalkar, Shraddesh Malviya
Filed: 21 Jun 22
Utility
Hydrogen Pumping Proton Exchange Membrane Electrochemical Cell with Carbon Monoxide Tolerant Anode and Method of Making Thereof
13 Oct 22
A carbon monoxide (CO) tolerant membrane electrode assembly (MEA) includes an ionically-conductive proton exchange membrane, an anode contacting a first side of the membrane and including a hydrophobic bonding agent, an ionomer bonding agent, first catalyst particles, second catalyst particles, and an anode gas diffusion layer (GDL), a cathode contacting a second side of the membrane and including a cathode GDL.
Vijay RADHAKRISHNAN, Srikanth RANGANATHAN, M.K. PREMKUMAR
Filed: 7 Apr 22
Utility
Glass Ceramic Seal Material for Fuel Cell Stacks
6 Oct 22
A glass ceramic seal contains by weight, on an oxide basis 40-60% of SiO2, 25-28% of BaO, 10-20% of B2O3, 8-12% of Al2O3, 0-2% of ZrO2, 0-1% of Y2O3, 0-1% of CaO, and 0-1% of MgO.
Michael D. GASDA, Thuy Thanh MUHL, Emad EL BATAWI
Filed: 11 Feb 22
Utility
Fuel cell interconnect with reduced voltage degradation and manufacturing method
27 Sep 22
A method of making an interconnect for a solid oxide fuel cell stack includes contacting an interconnect powder located in a die cavity with iron, the interconnect powder including a chromium and iron, compressing the interconnect powder to form an interconnect having ribs and fuel channels on a first side of the interconnect, such that the iron is disposed on tips of the ribs; and sintering the interconnect, such that the iron forms an contact layer on the tips of the ribs having a higher iron concentration than a remainder of the interconnect.
Sanchit Khurana, Tad Armstrong, Harald Herchen, Emily Wong, Cheng-Yu Lin
Filed: 18 Nov 20
Utility
Integrated power generation, carbon dioxide separation and downstream processing system and method
27 Sep 22
An integrated power generation and exhaust processing system includes a fuel cell system configured to generate power and to separate CO2 included in exhaust output from the fuel cell system, and an exhaust processing system configured to at least one of sequester or densify CO2 separated from the exhaust output from the fuel cell system.
Arne Ballantine, Jayakumar Krishnadass, Chockkalingam Karuppaiah
Filed: 17 Jul 20
Utility
Microgrid Including Dual Mode Microgrid Inverter and Load Management Method
8 Sep 22
A microgrid includes a power system configured to output system power and an automatic transfer switch (ATS).
Prasad PMSVVSV, Mehdi EBAD, Ranganathan GURUNATHAN, Vishal Anand GOPALAKRISHNAN, Jayanth MOODLIAR, Saravana NARAYANASAMY, Rakesh Kumar ROY, Deepak BALAKRISHNAN
Filed: 4 Mar 22
Utility
Cross-flow Interconnect and Fuel Cell System Including Same
1 Sep 22
A cross-flow interconnect and a fuel cell stack including the same, the interconnect including fuel inlets and outlets that extend through the interconnect adjacent to opposing first and second peripheral edges of the interconnect; an air side; and an opposing fuel side.
Michael GASDA, Vijay SRIVATSAN, Robert M. HINTZ, Swaminathan VENKATARAMAN, Padiadpu Shankara ANANTHA, Emad EL BATAWI, Cheng-Yu LIN, Sagar MAINKAR, Gilbert RICHARDS, Jonathan SCHOLL
Filed: 11 May 22
Utility
Method of fabricating an interconnect for a fuel cell stack
16 Aug 22
Methods for fabricating an interconnect for a fuel cell stack that include providing a protective layer over at least one surface of an interconnect formed by powder pressing pre-alloyed particles containing two or more metal elements and annealing the interconnect and the protective layer at elevated temperature to bond the protective layer to the at least one surface of the interconnect.
Tad Armstrong
Filed: 23 Aug 18
Utility
Fuel cell systems and methods for detecting fuel contaminants and hydrocarbon content
9 Aug 22
A fuel cell system and method, the system including power generating fuel cells disposed in a stack, each power generating fuel cell including an anode, a cathode, and an electrolyte, a sensing fuel cell including an anode, a cathode, and an electrolyte, and a fuel processor configured to purify a fuel provided to the power generating fuel cells and the sensing fuel cell.
Karthick Sudhan Shanmugam, Abhishek Dudhmande, Amit Nawathe, Padiadpu Shankara Anantha, Vijay Radhakrishnan
Filed: 7 Dec 18
Utility
Electrochemical Impedance Spectroscopy ("Eis") Analyzer and Method of Using Thereof
4 Aug 22
Systems, methods, and devices of the various embodiments provide a hardware and software architecture enabling electrochemical impedance spectroscopy (“EIS”) to be performed on multiple electrochemical devices, such as fuel cells, at the same time without human interaction with the electrochemical devices and to use EIS to dynamically monitor the performance of a fuel cell system.
Karthick SUDHAN S, Bhavana GANESH, Abhishek DUDHMANDE, Ranganathan GURUNATHAN, Ian RUSSELL
Filed: 15 Apr 22
Utility
Solid oxide fuel cell system and method of operating the same using peak shaving gas
26 Jul 22
A fuel cell system and method for using a peak shaving gas, the system including: a fuel inlet configured to receive fuel from a fuel source; a catalytic partial oxidation (CPOx) reactor configured to at least partially oxidize the fuel during startup of the system; a blower configured to provide air to the CPOx reactor; a gas analyzer configured to determine a composition of fuel provided to the CPOx reactor from the fuel inlet; an oxidation catalyst configured to reduce an O2 content of fuel received from the CPOx reactor; a reforming catalyst configured to partially reform fuel received from the oxidation catalyst; and a stack of fuel cells configured to generate electricity using fuel received from the reforming catalyst.
John Fisher, Jayakumar Krishnadass, David Weingaertner, Laxmikant Girwalkar, Shraddesh Malviya
Filed: 21 Mar 19
Utility
Systems and Methods for Refurbishing Fuel Cell Stack Components
21 Jul 22
A method of refurbishing a singulated fuel cell stack interconnect includes scanning a first pulsed laser beam on an air side of the interconnect to vaporize seal and corrosion barrier layer residue without vaporizing a metal oxide layer located on the air side of the interconnect below the corrosion barrier layer residue, and scanning a second pulsed laser beam which is different from the first pulsed laser beam on the exposed metal oxide layer on the air side of the interconnect to reflow the metal oxide layer without removing the metal oxide layer.
Drew PARAN, Ali DELKANINIA, Kendall LUI, Tulin AKIN
Filed: 18 Jan 21